Used in obstetrics to induce or augment labor by stimulating uterine contractions. Commonly administered intravenously during childbirth when labor progression is slow or needs to be initiated. Helps prevent postpartum hemorrhage by promoting strong uterine contractions after delivery. Also used to stimulate milk ejection in breastfeeding women. Investigated for potential roles in social bonding, anxiety reduction, and autism spectrum disorders, though clinical use for these remains experimental.